Fusible Link Door Closer

The fusible link is a lead clip that melts at roughly 115 degrees and releases the door so it can close and contain a fire.

Fusible link door closer.

Use links in straight pull applications only. Lcn fusible link closers. The first on our list of lcn fusible link closers is the lcn door closer 4010 fl. A smoke detector can sense smoke in the air and sends a signal to close the fire door before flames can reach the door.

Ul and cul listed for self closing doors with regular or fusible link arms for. The lcn door closer 4111 fl is known as the smoothee and is one of the heaviest duty door closers made the fl stands for fusible link. The ul listing number is for the fusible link arms is r1943. Lcn door closer fusible links.

The 4110 and the 4020 series can be templated for 100 140 or 180. The next section describes these lcn fusible link closers in more detail. 4110fl add to cart add to compare lcn 4020 fusible link door closer 385 00. This helps prevent the spread of flame but a fusible link will not help to slow the spread of smoke.

I would agree the amount of force needed to be set on the fusible link arm would indeed need to be set quite high to simply contend with the size 6 spring and pulling the door loose from the hold open position i could imagine would severely stress the arm door door frame and fasteners. Style 8 links are commonly used on fire doors smoke and heat vents and ducts. The ul listing number is for the fusible link arms is r1943. The 4010 series can be templated for 100 or 140.

Style 6 and 7 links are often used on fire doors windows hatches dampers and blowers. Lcn 4110 fusible link door closer 385 00. The fusible link arm is available with the 4010 4020 and 4110 series closers. They are ul and cul listed meet ansi bhma grade 1 standards and boast 30 year warranties.

Style 9 links are good for range hood applications. The 4010 4020 and 4110 series are heavy duty closers that meet demands for high traffic installations and each are designed specifically for unique mounting applications. They all use the same fusible link arm. A fusible link is heat activated meaning it must be exposed to fire before it can melt and release the fire door to close.

The lcn fusible link closers that can be used with this item are the 4010 fl 4110 fl and the 4020 fl. Style 1 5 links are for use on fire doors windows and lids. 4020fl add to cart add to compare lcn 4010 fusible link door closer. Fusible link door closers and arms.

With this closer you can select the color and hand you prefer.